Service Couplers

Never attempt to connect HFC-134a (R-134a) service couplers to a CFC-12 (R-12) A/C system. The HFC-134a (R-134a) couplers will not properly connect to the CFC-12 (R-12) system. If an improper connection is attempted, discharging and contamination may occur.

Fig 1: Connecting HFC-134A (R-134A) Service Couplers To A CFC-12 (R-12) A/C System

Courtesy of SUZUKI OF AMERICA CORP.